salinization
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C1 noun /ˌsæl.ɪ.naɪˈzeɪ.ʃən/

salinization

aumento de salinidad
Meaning
The process of increasing salt content in soil.
Example
Excessive irrigation can cause salinization of farmland.
El riego excesivo puede causar aumento de salinidad en los campos.
C1 noun /skraɪb/

scribe

escriba
Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
En el antiguo Egipto, los escribas registraron eventos importantes.
C2 adjective ˌsʌr.əpˈtɪʃ.əs

surreptitious

secreto
Meaning
Kept secret, especially because it would not be approved of; done stealthily.
Example
She took a surreptitious glance at his notes.
Ella echó un vistazo secreto a sus notas.
C1 noun /ˈswɪndlɚ/

swindler

estafador
Meaning
a person who cheats or deceives others for money or gain
Example
The police finally caught the notorious swindler.
La policía finalmente atrapó al notorio estafador.
C1 verb /snɪər/

sneer

sonreír de forma burlona
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
Ella se burló de su intento de cantar.
B2 noun /səkˈses.ər/

Successor

sucesor
Meaning
a person who succeeds another in office; someone who takes over a position or role
Example
The CEO announced his retirement and named his successor for the company.
El CEO anunció su jubilación y nombró a su sucesor para la empresa.
B2 noun /ˈsɛnət/

senate

senado
Meaning
a legislative or governing body, typically the upper chamber in a bicameral legislature
Example
The senate voted in favor of the new healthcare bill.
El senado votó a favor del nuevo proyecto de ley de salud.
A1 adverb /suːn/

Soon

pronto
Meaning
in a short time; before long; quickly
Example
The train will arrive soon.
El tren llegará pronto.
B1 verb /skɪp/

skip

saltar
Meaning
to omit or pass over something; to move lightly or quickly
Example
He decided to skip breakfast and go straight to work.
Decidió saltarse el desayuno e ir directamente al trabajo.
A1 noun /saɪd/

side

lado
Meaning
a position to the left or right of something
Example
The store is on the side of the road.
La tienda está en el lado de la carretera.
C1 noun /səˈprɑːnoʊ/

soprano

la voz más alta femenina o de niño
Meaning
the highest female or boy’s singing voice
Example
She sang beautifully in the soprano range during the concert.
Ella cantó hermosamente en el rango soprano durante el concierto.
A2 proper noun /ˌsaʊθ əˈmɛrɪkə/

south america

América del Sur
Meaning
a continent located in the Western Hemisphere, mostly in the Southern Hemisphere
Example
Brazil is the largest country in South America.
Brasil es el país más grande de América del Sur.
B2 verb, noun /stɔːl/

stall

detener, puesto pequeño
Meaning
to stop or cause to stop temporarily; a small shop or stand
Example
The car stalled on the way to the office.
El coche se detuvo en el camino hacia la oficina.
A1 noun /ʃɒp/

shop

tienda
Meaning
a place where goods are sold to customers
Example
I need to go to the shop to buy some groceries.
Necesito ir a la tienda para comprar algunos víveres.
C1 verb /ˈstoʊnwɔːl/

stonewall

bloquear
Meaning
To delay or block progress by refusing to cooperate or answer
Example
The witness tried to stonewall during the investigation.
El testigo intentó hacer stonewall durante la investigación.
C1 adjective /ˌsɛm.iˈæn.ju.əl/

semiannual

semi-anual
Meaning
Occurring twice a year; every six months.
Example
The company holds a semiannual meeting with all employees.
La empresa organiza una reunión semi-anual con todos los empleados.
B1 noun ˈstrʌk.tʃər

structure

estructura
Meaning
The arrangement of and relations between the parts or elements of something complex.
Example
The structure is designed for safety and functionality.
La estructura está diseñada para la seguridad y funcionalidad.
B2 adjective /ˌsʌp.lɪˈmen.tər.i/

Supplementary

suplementario; adicional; extra
Meaning
completing or making an addition to something; additional; extra
Example
Students need to buy supplementary books for the course.
Los estudiantes necesitan comprar libros suplementarios para el curso.
C1 noun ˌsteɪbəlaɪˈzeɪʃən

stabilization

estabilización
Meaning
The process of making or becoming stable.
Example
The stabilization of the structure was essential after the earthquake.
La estabilización de la estructura fue esencial después del terremoto.
C1 noun /ˈʃɜːrbət/

sherbet

sorbete
Meaning
a sweet flavored drink or a frozen dessert made from sweetened fruit juice
Example
On hot days, she enjoys a glass of lemon sherbet.
En los días calurosos, disfruta de un vaso de sorbete de limón.
B1 adjective /ˈsʌm.wʌt/

Somewhat

algo; un poco; moderadamente
Meaning
to some extent; rather; moderately
Example
The movie was somewhat interesting but not great.
La película fue algo interesante, pero no genial.
A2 noun /ˈsɪl.vər/

Silver

plata
Meaning
a shiny white precious metal used for making jewelry and ornaments
Example
The silver ring sparkled in the sunlight.
El anillo de plata brillaba bajo la luz del sol.
C1 verb /sərˈpæs/

surpass

superar
Meaning
to exceed or go beyond
Example
Her performance surpassed all expectations.
Su rendimiento superó todas las expectativas.
B2 verb /spɛər/

spare

dar algo extra / ahorrar
Meaning
To give something that one has extra of; to refrain from harming or killing.
Example
Could you spare me a few minutes of your time?
¿Podrías darme unos minutos de tu tiempo?
A2 verb /sɔːrt/

sort

ordenar
Meaning
to arrange or categorize something
Example
Please sort the files by date.
Por favor ordena los archivos por fecha.
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

repetición espaciada
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
La repetición espaciada ayuda a retener la memoria a largo plazo.
A2 noun /ʃɛlf/

shelf

estante
Meaning
a flat surface used for storing or displaying things, typically fixed to a wall or inside a cabinet
Example
I placed the books on the shelf next to the window.
Puse los libros en el estante junto a la ventana.
C1 adjective /ˈsɪnjuəs/

sinuous

sinuoso
Meaning
Having many curves, bends, or turns; winding.
Example
The hikers followed a sinuous path through the forest.
Los excursionistas siguieron un camino sinuoso a través del bosque.
C2 noun /spɪˈlʌŋkər/

spelunker

espeleólogo
Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
El espeleólogo llevó cuerdas y luces a la cueva oscura.
C1 verb /sɪˈkluːd/

seclude

aislar
Meaning
To keep someone away from other people; to isolate.
Example
The monk chose to seclude himself in the mountains.
El monje eligió aislarse en las montañas.
C2 noun /səbˈmɜːrʒən/

submersion

inmersión
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
La inmersión de los campos duró varios días después de la lluvia fuerte.
C2 noun /ˈsɒfɪzəm/

sophism

sofisma
Meaning
a clever but misleading argument; fallacious reasoning
Example
The politician's speech was full of sophism designed to mislead voters.
El discurso del político estaba lleno de sofismo diseñado para engañar a los votantes.
B2 adjective ˈskɒl.ə.li

scholarly

erudito
Meaning
Having or showing great knowledge or learning; academic in approach or method.
Example
He wrote a scholarly article on ancient philosophy.
Escribió un artículo erudito sobre la filosofía antigua.
C1 adjective /sɪmˈfɒnɪk/

symphonic

sinfónico
Meaning
relating to or having the character of a symphony or symphony orchestra
Example
The concert featured a symphonic masterpiece.
El concierto presentó una obra maestra sinfónica.
B1 noun /ˈstʌmək eɪk/

stomach ache

dolor de estómago
Meaning
Pain in the stomach or abdominal area
Example
I have a stomach ache after eating too much.
Tengo un dolor de estómago después de comer demasiado.
C2 noun /ˈseɪnjər/

seignior

señor feudal
Meaning
A feudal lord; a man of authority in medieval Europe.
Example
The seignior demanded taxes from the peasants.
El señor feudal exigió impuestos a los campesinos.
C1 adjective /ˈseɪlaɪn/

Saline

salino; relacionado con agua salada
Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
La solución salina se usa para tratamientos médicos.
C2 verb /ˈstræɡəl/

straggle

moverse de manera desordenada
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
Los niños empezaron a quedarse atrás en la larga caminata.
C2 verb /stɑːntʃ/

stanch

detener el flujo de sangre
Meaning
to stop the flow of blood or liquid from a wound or source
Example
The nurse quickly stanched the bleeding from the cut.
la enfermera rápidamente detuvo el sangrado de la herida.
C1 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

sintetizar, combinar, presentar de forma coherente
Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
Él sobresale en sintetizar ideas de diferentes fuentes.
B2 noun /ˈspɒnsər/

sponsor

patrocinador
Meaning
a person or organization that provides funds for a project or activity in exchange for publicity or support
Example
The company became the main sponsor of the event.
La empresa se convirtió en el principal patrocinador del evento.
B1 verb /sərˈvaɪv/

survive

sobrevivir
Meaning
To continue to live or exist after a difficult event or situation.
Example
He managed to survive the storm.
Él logró sobrevivir la tormenta.
C1 noun /ˈskɛptɪk/

skeptic

escéptico
Meaning
A person who doubts or questions accepted beliefs or claims.
Example
The scientist was a skeptic of theories without solid evidence.
El científico era escéptico de las teorías sin evidencia sólida.
B1 noun/verb /skeɪl/

scale

escala / aumentar el tamaño
Meaning
A system of ordered marks used for measurement; also means to climb or to adjust in size.
Example
The company plans to scale its operations globally.
La empresa planea escalar sus operaciones globalmente.
B2 noun /ˈsikwəns/

Sequence

secuencia
Meaning
a particular order in which related events, movements, or things follow each other; a set of related events, movements, or things that follow each other in a particular order
Example
The dance sequence was perfectly choreographed.
La secuencia de baile fue perfectamente coreografiada.
B2 adjective /ˈstɑːrtəld/

startled

sobresaltado
Meaning
suddenly shocked or surprised by something unexpected
Example
She was startled by the loud noise outside.
Ella se sobresaltó por el ruido fuerte afuera.
C2 adjective /sɛnˈtɛnʃəs/

sententious

moralista; que da lecciones
Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
Sus comentarios moralistas molestaron a la audiencia.
C1 noun /ˈstænzə/

stanza

estrofa
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
El poema comienza con una estrofa que describe la naturaleza.
C1 adjective /ˈskrɪptʃərəl/

scriptural

escritural
Meaning
Relating to or contained in the scriptures or holy writings.
Example
The priest gave a scriptural reference during the sermon.
El sacerdote dio una referencia escritural durante el sermón.
C1 adjective /səˈriːn/

serene

sereno y pacífico
Meaning
Calm, peaceful, and untroubled; tranquil.
Example
The lake had a serene and peaceful atmosphere.
El lago tenía una atmósfera serena y pacífica.
B2 verb /soʊk/

soak

empapar
Meaning
to make something completely wet by immersing it in liquid
Example
She soaked the clothes in water before washing them.
ella empapó la ropa en agua antes de lavarlas.
B1 noun ˈsɪs.təmz

systems

sistemas
Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
Los sistemas efectivos mejoran la productividad.
A2 noun ˈsaɪəns

science

ciencia
Meaning
The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
Example
Science continues to explore the unknown.
La ciencia sigue explorando lo desconocido.
C1 noun /ˈsæl.mən fɪʃ / ˈroʊ.huː/

Salmon fish / Rohu

pescado Rohu
Meaning
a freshwater fish popular in South Asian cuisine; also refers to salmon which is a different species
Example
Rohu fish is commonly prepared with spices in Bengali households.
El pescado Rohu se prepara comúnmente con especias en los hogares bengalíes.
A2 adverb /ˈsloʊli/

slowly

lentamente
Meaning
in a slow manner
Example
She walked slowly to the door.
Ella caminó lentamente hacia la puerta.
C1 noun /ˈsɔːrsəri/

sorcery

hechicería
Meaning
the use of magical powers, especially through spells and enchantments
Example
The villagers believed the illness was caused by sorcery.
Los aldeanos creían que la enfermedad fue causada por hechicería.
A1 determiner /sʌtʃ/

such

tal
Meaning
of the type previously mentioned or specified
Example
I have never seen such a beautiful painting.
Nunca he visto tal pintura hermosa.
C1 verb /ˈstɪp.jʊ.leɪt/

stipulate

establecer
Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
El contrato estipula que el pago debe realizarse dentro de 30 días.
C1 adjective /ˈspɪndli/

spindly

delgado y débil
Meaning
Long, thin, and weak-looking
Example
The spindly tree bent under the weight of the snow.
El árbol delgado se inclinó bajo el peso de la nieve.
B2 adjective /ˈspeɪ.ʃəs/

Spacious

espacioso; amplio
Meaning
having a lot of space; roomy and comfortable
Example
The house has a spacious living room with high ceilings.
La casa tiene una sala espaciosa con techos altos.
B2 adjective /ˈsiː.z ə n.əl/

Seasonal

estacional
Meaning
relating to or occurring in a particular season; changing according to the seasons
Example
Many businesses hire seasonal workers during the holidays.
Muchas empresas contratan trabajadores estacionales durante las vacaciones.
B2 noun /stɑːˈveɪ.ʃən/

Starvation

inanición
Meaning
suffering or death caused by lack of food; extreme hunger
Example
Many people died of starvation during the famine.
Muchas personas murieron de inanición durante la hambruna.
A2 noun /ˈsoʊʃəl ˈmiːdiə/

social media

medios sociales
Meaning
Websites and applications that enable users to create and share content or to participate in social networking.
Example
Social media often causes delays.
Los medios sociales a menudo causan retrasos.
B2 verb səˈsteɪnd

sustained

sostenido
Meaning
Strengthened and supported; not allowed to weaken or fail.
Example
The proposal was not sustained.
La propuesta no fue sostenida.
C1 adjective /ˈstoʊɪk/

stoic

estoico, imperturbable
Meaning
Showing little or no emotion, even in difficult situations.
Example
She remained stoic during the crisis, never showing fear or panic.
Ella permaneció estoica durante la crisis, sin mostrar miedo ni pánico.
B2 noun /slɛdʒ/

sledge

trineo
Meaning
a vehicle for traveling over snow, often pulled by animals
Example
The children rode a sledge down the snowy hill.
Los niños montaron un trineo por la colina nevada.
A2 adjective /ˈskeəri/

scary

aterrador
Meaning
causing fear or making you feel frightened
Example
That horror movie was really scary.
Esa película de terror realmente fue aterradora.
C1 noun /ˈsɛntɪnəl/

sentinel

centinela
Meaning
A soldier or guard whose job is to stand and keep watch.
Example
A sentinel stood at the entrance of the camp.
Un centinela estaba de pie en la entrada del campamento.
B2 verb ˈstɪmjəleɪt

stimulate

estimular
Meaning
To encourage or promote the development or growth of something
Example
Proper sunlight stimulates plant growth.
La luz solar adecuada estimula el crecimiento de las plantas.
B2 noun /ˈsɛsəmi sidz/

Sesame Seeds

semillas de sésamo
Meaning
small edible seeds from the sesame plant used in cooking and baking
Example
Sprinkle sesame seeds on top of the bread before baking.
Espolvorea semillas de sésamo sobre el pan antes de hornear.
A1 noun /ˈsʌn.deɪ/

sunday

domingo
Meaning
The day of the week between Saturday and Monday; often considered a day of rest or worship.
Example
We usually relax at home on Sunday.
Normalmente descansamos en casa el domingo.
A2 noun /ʃeɪp/

Shape

forma; figura
Meaning
the external form or appearance of something; condition or state
Example
The artist drew a perfect circle shape on the canvas.
El artista dibujó una forma circular perfecta en el lienzo.
B2 adjective /ˌsɪm.pəˈθet.ɪk/

Sympathetic

compasivo; comprensivo; sensible;
Meaning
showing compassion or understanding for someone's feelings or situation
Example
She was very sympathetic when I told her about my problems.
Ella fue muy simpática cuando le conté mis problemas.
C1 noun/verb /sleɪt/

slate

pizarra / programar
Meaning
a fine-grained rock used for roofing or writing; to schedule or designate for a task
Example
The meeting is slated for next Monday.
La reunión está programada para el próximo lunes.
B1 noun /ˈsʌn.set/

Sunset

puesta del sol
Meaning
the time in the evening when the sun disappears below the horizon
Example
The romantic sunset painted the sky in golden colors.
El romántico atardecer pintó el cielo con colores dorados.
B2 noun /ˈsaɪrən/

siren

sirena
Meaning
A device that makes a loud prolonged sound as a signal or warning; in mythology, a creature that lures sailors with enchanting songs.
Example
The police car passed with its siren blaring.
El coche de policía pasó con su sirena sonando.
B2 noun, verb /slænt/

slant

punto de vista sesgado
Meaning
A particular point of view; to slope or lean in a particular direction.
Example
The article had a political slant.
El artículo tenía una inclinación política.
A2 noun /səˈpraɪz/

surprise

sorpresa
Meaning
a sudden and unexpected event or situation
Example
His arrival was a pleasant surprise.
Su llegada fue una agradable sorpresa.
B2 verb /ˈsʌməraɪz/

summarize

resumir
Meaning
To give a brief statement of the main points of something
Example
She summarized the report in just a few minutes.
Ella resumió el informe en solo unos minutos.
C2 noun /sɪˈrɒkoʊ/

sirocco

viento cálido y seco
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
El siroco hizo que la ciudad se volviera insoportablemente calurosa y polvorienta.
C2 noun /ˌsɪnjuˈɒsɪti/

sinuosity

sinuosidad
Meaning
The quality or state of being winding, curving, or having many turns.
Example
The sinuosity of the river made navigation challenging.
La sinuosidad del río hizo que la navegación fuera desafiante.
B2 adjective /ˈstraɪkɪŋ/

striking

impactante
Meaning
very noticeable or impressive in appearance or effect
Example
Her striking beauty caught everyone's attention.
Su belleza impactante atrajo la atención de todos.
C2 adjective /sɪˈnæp.tɪk/

synaptic

sináptico
Meaning
Related to the signal transmission process between nerve cells.
Example
Learning strengthens synaptic connections in the brain.
El aprendizaje fortalece las conexiones sinápticas en el cerebro.
A2 adjective /ˈsɪli/

Silly

tonto; estúpido
Meaning
foolish; lacking good sense or judgement
Example
Don't be silly, of course you can do it!
¡No seas tonto, por supuesto que puedes hacerlo!
C1 adjective ˌsʌbˈlɪm.ɪ.nəl

subliminal

existente o que opera por debajo del umbral de conciencia, percibido o que afecta la mente de alguien sin que lo sepa
Meaning
Existing or operating below the threshold of consciousness; perceived by or affecting someone's mind without their being aware of it.
Example
Advertisements often have subliminal messages.
Los anuncios a menudo contienen mensajes subliminales.
B1 noun /səˈdʒes.tʃən/

Suggestion

sugerencia; consejo
Meaning
an idea or plan put forward for consideration; advice or recommendation
Example
Do you have any suggestions for improving our team's productivity?
¿Tienes alguna sugerencia para mejorar la productividad de nuestro equipo?
C1 adjective /suːˈpɜːrlətɪv/

superlative

superlativo
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
Su desempeño fue superlativo, ganándose una ovación de pie.
C1 verb, adjective, noun /spruːs/

spruce

arreglar / un tipo de árbol
Meaning
to make neat or tidy in appearance; also refers to an evergreen tree
Example
He spruced up his room before the guests arrived.
Él arregló su habitación antes de que llegaran los invitados.
B2 noun /ˈsʌm.ɪt/

summit

cumbre
Meaning
A high-level meeting between leaders, especially of governments; a conference.
Example
The summit addressed pressing global issues.
La cumbre abordó cuestiones globales urgentes.
C2 adjective /ˈspiːʃəs/

specious

falaz
Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
El argumento del político era falaz, sonaba convincente pero carecía de pruebas reales.
B2 noun /sɪv/

Seive

colador
Meaning
a utensil consisting of a wire or plastic mesh held in a frame, used for straining solids from liquids
Example
She used a sieve to separate the flour from lumps.
Ella usó un colador para separar la harina de los grumos.
B2 verb /ˈʃætər/

shatter

romper
Meaning
To break suddenly into many small pieces.
Example
The glass will shatter if you drop it.
El vidrio se romperá si lo dejas caer.
B1 noun /ˈsɜr.fɪs/

Surface

superficie; capa superior
Meaning
the outside part or uppermost layer of something
Example
The submarine emerged to the surface of the ocean.
El submarino emergió a la superficie del océano.
A1 verb /ʃoʊ/

show

mostrar
Meaning
to display or present something to others; to make visible
Example
Can you show me the way to the station?
¿Puedes mostrarme el camino a la estación?
B2 adjective /sɑːrˈkæstɪk/

sarcastic

sarcástico
Meaning
Using irony or mockery to convey contempt or humor.
Example
She made a sarcastic remark about his cooking.
Hizo un comentario sarcástico sobre su cocina.
C2 verb /ʃʌk/

shuck

pelar
Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
Ella aprendió a pelar ostras rápidamente.
B1 verb /straɪk/

Strike

golpear
Meaning
to hit forcefully; to stop work as a form of protest
Example
Lightning strikes the tall building during the storm.
El rayo golpea el edificio alto durante la tormenta.
C1 noun ˈsɛlfləsnɪs

selflessness

desinterés
Meaning
The quality of being concerned more with the needs of others than with one's own.
Example
Selflessness is a key value for community building.
El desinterés es un valor clave para la construcción de la comunidad.
B2 noun /spaɪn/

Spine

columna vertebral; soporte central de una estructura
Meaning
the backbone or vertebral column of a vertebrate; the central support of a structure
Example
She injured her spine in the accident.
Ella se lesionó la columna vertebral en el accidente.
B2 verb /slæm/

slam

golpear con fuerza
Meaning
to close or hit something with great force
Example
He slammed the door angrily after the argument.
Él slaméo la puerta enojado después de la discusión.
B2 noun /ˈsɪɡ.nəlz/

signals

señales
Meaning
A gesture, action, or sound conveying information or instructions.
Example
Signals from deep space were detected last week.
Se detectaron señales del espacio profundo la semana pasada.
C2 noun /sɪˈkwiːlə/

sequela

secuela
Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
Las cicatrices en los pulmones pueden ser una secuela de una neumonía grave.
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

sanitización
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
La sanitización regular mantiene los aparatos libres de gérmenes.
C1 noun /ˈstɪklər/

stickler

persona estricta con las normas
Meaning
a person who insists on a certain quality or standard of behavior
Example
He is a stickler for punctuality and never tolerates delays.
Él es muy estricto con la puntualidad y no tolera retrasos.
C2 noun /ˌskʌlˈdʌɡəri/

skullduggery

engaño
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
La elección estuvo llena de engaños políticos.
C2 adjective /səˈræfɪk/

seraphic

angelical
Meaning
Of or like a seraph; angelic, pure, and blissful.
Example
She gave him a seraphic smile that calmed his fears.
Le dio una sonrisa angelical que calmó sus miedos.
A2 noun /ˈseɪf.ti/

Safety

seguridad
Meaning
condition of being protected from danger, risk, or injury
Example
The company prioritizes workplace safety above all else.
La empresa prioriza la seguridad en el lugar de trabajo por encima de todo.
B2 noun ˌsensɪˈtɪvɪti

sensitivity

sensibilidad
Meaning
The quality or condition of being sensitive; responsiveness to stimuli.
Example
Bose proved plant sensitivity through experiments.
Bose demostró la sensibilidad de las plantas a través de experimentos.
C1 noun /spæt/

spat

disputa pequeña
Meaning
a short, petty quarrel or argument
Example
They had a brief spat about who should do the dishes.
Tuvieron una breve disputa sobre quién debería lavar los platos.
C2 noun /ˈstriːmlɪt/

streamlet

arroyo
Meaning
a small stream; a tiny brook or rivulet
Example
A streamlet flowed through the meadow.
Un arroyo fluía a través del prado.
C1 verb /skwɪnt/

squint

entrecerrar los ojos
Meaning
to look with partly closed eyes
Example
She squinted at the bright sunlight.
Ella entrecerró los ojos por la luz brillante del sol.
C1 verb, noun /sæp/

sap

savia / agotar
Meaning
As a noun: the vital fluid in plants; As a verb: to gradually weaken or drain strength.
Example
The long journey began to sap his energy.
El largo viaje comenzó a agotar su energía.
C1 noun /ˈseɪɑːns/

seance

sesión espiritista
Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
Celebraron una sesión espiritista para contactar a su abuela fallecida.
C1 noun /ˈsɛmbləns/

Semblance

semblanza; apariencia
Meaning
the outward appearance or apparent form of something, especially when the reality is different
Example
There was only a semblance of order in the chaotic office.
Solo había una semblanza de orden en la oficina caótica
C2 adjective /ˌstætʃuˈɛsk/

statuesque

de estatua
Meaning
Having the grace, beauty, or dignity of a statue; tall and attractively proportioned.
Example
She had a statuesque figure that turned heads wherever she went.
Ella tenía una figura de estatua que hacía que todos se giraran donde quiera que fuera.
B2 adjective /ˈstʌdid/

studied

estudiado
Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
Su respuesta fue calmada y estudiada, no impulsiva.
C1 adjective /ˈsɒnɪk/

sonic

sonico
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
El jet creó un fuerte estruendo cuando rompió la barrera sónica.
C2 verb /sweɪð/

swathe

envolver
Meaning
To wrap or cover closely or completely.
Example
She swathed the baby in a soft blanket.
Ella envolvió al bebé en una manta suave.
C1 noun /stɛlθ/

stealth

sigilo, moverse en secreto
Meaning
The act of moving, doing, or achieving something quietly and secretly.
Example
The cat moved with stealth towards its prey.
El gato se movió sigilosamente hacia su presa.
C1 verb ˈsɪŋ.krə.naɪz

synchronize

sincronizar
Meaning
To coordinate in time; to cause to occur or operate at the same time or rate.
Example
The dancers need to synchronize their movements.
Los bailarines necesitan sincronizar sus movimientos.
C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

minuendo
Meaning
a number that is to be subtracted from another number
Example
In the equation 10 - 4, the number 4 is the subtrahend.
En la ecuación 10 - 4, el número 4 es el minuendo.